<!DOCTYPE html>
<html>
<head>
  <title>points/pixels size test</title>
  <style type="text/css">
    td {
      text-decoration: underline;
    }
  </style>
</head>
<body>
<table>
  <tr><td style="font-size:12px;">9pt/12px</td></tr>
  <tr><td style="font-size:16px;">12pt/16px</td></tr>
  <tr><td style="font-size:20px;">15pt/20px</td></tr>
  <tr><td style="font-size:24px;">18pt/24px</td></tr>
  <tr><td style="font-size:28px;">21pt/28px</td></tr>
  <tr><td style="font-size:13.3333px;">10pt/13.3333px</td></tr>
  <tr><td style="font-size:17.3333px;">13pt/17.3333px</td></tr>
  <tr><td style="font-size:21.3333px;">16pt/21.3333px</td></tr>
  <tr><td style="font-size:26.6666px;">20pt/26.6666px</td></tr>
  <tr><td style="font-size:15px;">11.25pt/15px</td></tr>
  <tr><td style="font-size:17px;">12.75pt/17px</td></tr>
  <tr><td style="font-size:18px;">13.5pt/18px</td></tr>
  <tr><td style="font-size:25px;">18.75pt/25px</td></tr>
</table>
</body>
</html>
